Fix duplicate symbols and include common symbols on macOS (NOAA-EMC#321)

On macOS common symbols aren't included by default, so pass -c to ranlib on macOS. native_endianness is compiled twice in exe_src and lib_src which results in duplicate symbols.
lgannoaa · May 20, 2021 · 7f267d8 · 7f267d8
1 parent b40f56c
commit 7f267d8
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Showing 2 changed files with 6 additions and 1 deletion.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -37,6 +37,12 @@ if(OPENMP)
   find_package(OpenMP REQUIRED COMPONENTS Fortran)
 endif()
 
+if(APPLE)
+  # The linker on macOS does not include `common symbols` by default
+  # Passing the -c flag includes them and fixes an error with undefined symbols
+  set(CMAKE_Fortran_ARCHIVE_FINISH "<CMAKE_RANLIB> -c <TARGET>")
+endif()
+
 find_package(bacio REQUIRED)
 find_package(crtm REQUIRED)
 find_package(g2 REQUIRED)

diff --git a/sorc/ncep_post.fd/CMakeLists.txt b/sorc/ncep_post.fd/CMakeLists.txt
@@ -158,7 +158,6 @@ list(APPEND EXE_SRC
     getVariable.f
     getlvls.f
     intio_tags.f
-    native_endianness.f
     retrieve_index.f
     wrf_io_flags.f
     wrf_io_flags.h)